How Does a DC Motor Work? Components & Torque of DC Motors // HSC Physics

What role does each component of a DC motor have? This video in on the operation of a DC motor including the role of split-ring commutators, and the concept of torque in DC motors.

⌚Timestamp
00:00 Review of the Motor Effect
05:03 Force acting on a motor's armature
06:05 Calculation question 1
07:12 Torque in DC motors
12:04 Calculation question 2
14:19 Split-ring commutators & brushes
22:00 Summary of components of a DC motor


📚Syllabus
• Investigate the operation of a simple DC motor to analyse:
– the functions of its components
– production of a torque 𝜏=𝑛𝐼𝐴_⊥ 𝐵=𝑛𝐼𝐴𝐵sin𝜃
– effects of back emf (ACSPH108)

How does a simple DC motor work? How do split-ring commutators work? What is the role of the armature in DC motors? What is the role of magnets in DC motors? What is the role of brushes in DC motors?


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